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// 28 july 2014
#include "winapi_windows.h"
#include "_cgo_export.h"
#include "wintable/main.h"
// provided for cgo's benefit
LPWSTR xtableWindowClass = tableWindowClass;
static LRESULT CALLBACK tableSubProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR id, DWORD_PTR data)
{
NMHDR *nmhdr = (NMHDR *) lParam;
void *gotable = (void *) data;
switch (uMsg) {
case msgNOTIFY:
switch (nmhdr->code) {
case LVN_GETDISPINFO:
tableGetCell(t->gotable, &(fill->item));
return 0;
case LVN_ITEMCHANGED:
if ((nlv->uChanged & LVIF_STATE) == 0)
break;
// if both old and new states have the same value for the selected bit, then the selection state did not change, regardless of selected or deselected
if ((nlv->uOldState & LVIS_SELECTED) == (nlv->uNewState & LVIS_SELECTED))
break;
tableSelectionChanged(t->gotable);
return 0;
}
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
/* TODO
// see table.autoresize() in table_windows.go for the column autosize policy
case WM_NOTIFY: // from the contained header control
if (nmhdr->code == HDN_BEGINTRACK)
tableStopColumnAutosize(t->gotable);
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
*/
case WM_NCDESTROY:
if ((*fv_RemoveWindowSubclass)(hwnd, tableSubProc, id) == FALSE)
xpanic("error removing Table subclass (which was for its own event handler)", GetLastError());
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
default:
return (*fv_DefSubclassProc)(hwnd, uMsg, wParam, lParam);
}
xmissedmsg("Table", "tableSubProc()", uMsg);
return 0; // unreached
}
void setTableSubclass(HWND hwnd, void *data)
{
if ((*fv_SetWindowSubclass)(hwnd, tableSubProc, 0, (DWORD_PTR) data) == FALSE)
xpanic("error subclassing Table to give it its own event handler", GetLastError());
}
void tableAutosizeColumns(HWND hwnd, int nColumns)
{
int i;
for (i = 0; i < nColumns; i++)
if (SendMessageW(hwnd, LVM_SETCOLUMNWIDTH, (WPARAM) i, (LPARAM) LVSCW_AUTOSIZE_USEHEADER) == FALSE)
xpanic("error resizing columns of results list view", GetLastError());
}
// because Go won't let me do C.WPARAM(-1)
intptr_t tableSelectedItem(HWND hwnd)
{
return (intptr_t) SendMessageW(hwnd, LVM_GETNEXTITEM, (WPARAM) -1, LVNI_SELECTED);
}
/*
TODO
void tableSelectItem(HWND hwnd, intptr_t index)
{
LVITEMW item;
LRESULT current;
// via http://support.microsoft.com/kb/131284
// we don't need to clear the other bits; Tables don't support cutting or drag/drop
current = SendMessageW(hwnd, LVM_GETNEXTITEM, (WPARAM) -1, LVNI_SELECTED);
if (current != (LRESULT) -1) {
ZeroMemory(&item, sizeof (LVITEMW));
item.mask = LVIF_STATE;
item.state = 0;
item.stateMask = LVIS_FOCUSED | LVIS_SELECTED;
if (SendMessageW(hwnd, LVM_SETITEMSTATE, (WPARAM) current, (LPARAM) (&item)) == FALSE)
xpanic("error deselecting current Table item", GetLastError());
}
if (index == -1) // select nothing
return;
ZeroMemory(&item, sizeof (LVITEMW));
item.mask = LVIF_STATE;
item.state = LVIS_FOCUSED | LVIS_SELECTED;
item.stateMask = LVIS_FOCUSED | LVIS_SELECTED;
if (SendMessageW(hwnd, LVM_SETITEMSTATE, (WPARAM) index, (LPARAM) (&item)) == FALSE)
xpanic("error selecting new Table item", GetLastError());
}
*/
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